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Chelydra

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Genus of turtles

Chelydra

Chelydra serpentina
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Chelydridae
Genus:	Chelydra Schweigger, 1812^[1]
Type species
Chelydra serpentina Linnaeus, 1758
Species
See text.

Chelydra is one of the twoextant genera of thesnapping turtle family,Chelydridae, the other beingMacrochelys, the much largeralligator snapping turtle.^[1] The snapping turtles are native to the Americas, withChelydra having threespecies, one inNorth America and two inCentral America, one of which is also found in northwesternSouth America.

Species

[edit]

The genusChelydra has the following species:^[1]^[2]

Chelydra acutirostris(W. Peters, 1862) –South American snapping turtle^[1]
Chelydra rossignonii(Bocourt, 1868) –Central American snapping turtle^[1]
Chelydra serpentina(Linnaeus,1758) –common snapping turtle (North America)^[1]
Chelydra floridana†^[2]
Chelydra laticarinata†^[2]
Chelydra sculpta†^[2]

APliocene-agedChelydra fossil skeleton fromFlorida (FLMNH)

The three extantChelydra species were once all considered to be several subspecies ofChelydra serpentina, along with a fourth subspecies in Florida,Chelydra serpentina osceola.^[3]C. s. osceola is now considered to be synonymous withC. serpentina.^[1]

References

[edit]

^^a ^b ^c ^d ^e ^f ^gRhodin, Anders G.J.; Inverson, John B.; Roger, Bour; Fritz, Uwe; Georges, Arthur; Shaffer, H. Bradley; van Dijk, Peter Paul (August 3, 2017)."Turtles of the world, 2050 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status(8th Ed.)"(PDF).Chelonian Research Monographs.7.ISBN 978-1-5323-5026-9. RetrievedOctober 4, 2019.
^^a ^b ^c ^dRhodin, A.G.J.; Thomson, S.; Georgalis, G.; Karl, H.-V.; Danilov, I.G.; Takahashi, A.; de la Fuente, M.S.; Bourque, J.R.; Delfino M.; Bour, R.; Iverson, J.B.; Shaffer, H.B.; van Dijk, P.P.; et al. (Turtle Extinctions Working Group) (2015)."Turtles and tortoises of the world during the rise and global spread of humanity: first checklist and review of extinct Pleistocene and Holocene chelonians".Chelonian Research Monographs.5 (8): 000e.1–66.doi:10.3854/crm.5.000e.fossil.checklist.v1.2015.hdl:11336/62240.
^Phillips, Christopher A.; Dimmick, Walter W.; Carr, John L. (April 1996)."Conservation Genetics of the Common Snapping Turtle (Chelydra serpentina)".Conservation Biology.10 (2):397–405.Bibcode:1996ConBi..10..397P.doi:10.1046/j.1523-1739.1996.10020397.x.ISSN 0888-8892.

Turtle familyChelydridae

Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Testudines
Suborder:Cryptodira
Family:Chelydridae

Genus

Species of the familyChelydridae

Chelydra

†Chelydrops

†Chelydrops stricta

†Chelydropsis

†Emarginachelys

†Emarginachelys cretacea

†Macrocephalochelys

†Macrocephalochelys pontica

Macrochelys

Alligator snapping turtle (synonymized:Apalachicola snapping turtle)
Suwannee snapping turtle

†Planiplastron

†Protochelydra

†Protochelydra zangerli

Phylogenetic arrangement of turtles based onturtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status. †=Extinct.

Testudines

Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Clade:Diapsida
Order:Testudines

Genus

Chelonioidea
(Sea turtles)

Cheloniidae	†Allopleuron Caretta †Carolinochelys Chelonia †Eochelone Eretmochelys †Gigantatypus †Glarichelys †Itilochelys Lepidochelys †Mexichelys †Miocaretta Natator †Pacifichelys †Syllomus †Tasbacka
Dermochelyidae	†Arabemys †Corsochelys †Cosmochelys Dermochelys †Eosphargis †Mesodermochelys †Psephophorus
	†Euclastes †Peritresius †Procolpochelys †Protosphargis †Puppigerus

Kinosternoidea

Dermatemydidae	Dermatemys
Kinosternidae	Claudius †Hoplochelys Kinosternon Staurotypus Sternotherus

Testudinoidea

Emydidae	†Acherontemys Chrysemys Clemmys Deirochelys Emys Actinemys Emydoidea Glyptemys Graptemys Malaclemys Pseudemys Terrapene Trachemys †Wilburemys
Geoemydidae	Batagur †Banhxeochelys Cuora Cyclemys Geoclemys Geoemyda Hardella Heosemys Leucocephalon Malayemys Mauremys Melanochelys Morenia Notochelys Orlitia Pangshura Rhinoclemmys Sacalia Siebenrockiella Vijayachelys
Platysternidae	Platysternon
Testudinidae	Aldabrachelys Astrochelys Centrochelys Chelonoidis Chersina Cylindraspis †Cymatholcus †Floridemys Geochelone Gopherus †Hadrianus †Hesperotestudo Homopus Indotestudo Kinixys Malacochersus Manouria †Megalochelys †Oligopherus Psammobates Pyxis †Solitudo Stigmochelys †Stylemys Testudo

Trionychia

Carettochelyidae	†Allaeochelys †Anosteira Carettochelys
Trionychidae	Amyda Apalone †Axestemys Chitra Cyclanorbis Cycloderma †Drazinderetes Dogania †Gilmoremys †Hutchemys †Khunnuchelys Lissemys Nilssonia Palea †Palaeoamyda Pelochelys Pelodiscus Rafetus Trionyx
	†Basilochelys †Sinaspideretes

Chelydridae	Chelydra †Chelydrops †Chelydropsis †Emarginachelys †Macrocephalochelys Macrochelys †Planiplastron †Protochelydra
†Nanhsiungchelyidae	†Anomalochelys †Basilemys †Jiangxichelys
†Protostegidae	†Alienochelys †Archelon †Atlantochelys †Bouliachelys †Calcarichelys †Cratochelone †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †Protostega †Rhinochelys †Santanachelys †Terlinguachelys
	†Adocus †Argillochelys †Bashuchelys †Ctenochelys †Prionochelys †Toxochelys

Pleurodira

†Araripemydidae	†Araripemys
†Bothremydidae	†Araiochelys †Arenila †Azabbaremys †Bothremys †Cearachelys †Chedighaii †Chupacabrachelys †Eotaphrosphys †Foxemys †Galianemys †Ilatardia †Inaechelys †Itapecuruemys †Jainemys †Kinkonychelys †Kurmademys †Labrostochelys †Nigeremys †Phosphatochelys †Polysternon †Puentemys †Rosasia †Rhothonemys †Sankuchemys †Taphrosphys †Ummulisani †Zolhafah
Chelidae	Acanthochelys Chelodina Chelus Elseya Elusor Emydura Hydromedusa †Lomalatachelys Mesoclemmys Myuchelys Phrynops Platemys †Prochelidella Pseudemydura Rheodytes Rhinemys †Yaminuechelys
Pelomedusidae	Pelomedusa Pelusios
Podocnemididae	†Albertwoodemys †Bauruemys †Brontochelys †Caninemys †Carbonemys †Cerrejonemys †Cordichelys Erymnochelys †Lapparentemys †Latentemys Peltocephalus Podocnemis †Stupendemys
†Sahonachelyidae	†Sahonachelys †Sokatra

	†Caribemys †Caririemys †Tacuarembemys

Phylogenetic arrangement of turtles based onTurtles of the World 2017 Update: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status. † = extinct.

See alsoList of Testudines families

Taxon identifiers
Chelydra	Wikidata:Q2503765 Wikispecies:Chelydra ADW:Chelydra BOLD:34464 CoL:CCZHS EoL:35894 EPPO:1KHELG GBIF:2441904 iNaturalist:39681 IRMNG:1302341 ITIS:173751 NBN:NHMSYS0000332359 NCBI:8474 Open Tree of Life:587316 Paleobiology Database:37706 WoRMS:1378192

Authority control databases
National	Israel
Other	Yale LUX

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